/Engine/Source/Runtime/Engine/Classes/Engine/EngineBaseTypes.h
Adds a tick function to the list of prerequisites...in other words, adds the requirement that TargetTickFunction is called before this tick function is
void AddPrerequisite ( [UObject](API\Runtime\CoreUObject\UObject\UObject) * TargetObject, struct [FTickFunction](API\Runtime\Engine\Engine\FTickFunction) & TargetTickFunction )